Digi XBee S2C 802.15.4 User Manual page 133

Operate in API mode
Frame
Offset Size Field
5 8- Delivery
bit status
EOF 8- Checksum
bit
Delivery status codes
Protocol-specific status codes follow
XBee 802.15.4
0x00 = Success
0x01 = No ACK received
0x02 = CCA failure
0x03 = Indirect message unrequested
0x04 = Transceiver was unable to complete the transmission
0x21 = Network ACK failure
0x22 = Not joined to network
XBee/XBee-PRO S2C 802.15.4 RF Module User Guide
Description
Complete list of delivery statuses:
0x00 = Success
0x01 = No ACK received
0x02 = CCA failure
0x03 = Indirect message unrequested
0x04 = Transceiver was unable to complete the transmission
0x21 = Network ACK failure
0x22 = Not joined to network
0x2C = Invalid frame values (check the phone number)
0x31 = Internal error
0x32 = Resource error - lack of free buffers, timers, etc.
0x34 = No Secure Session Connection
0x35 = Encryption Failure
0x74 = Message too long
0x76 = Socket closed unexpectedly
0x78 = Invalid UDP port
0x79 = Invalid TCP port
0x7A = Invalid host address
0x7B = Invalid data mode
0x7C = Invalid interface. See User Data Relay Input -
0x7D = Interface not accepting
Input - 0x2D.
0x7E = A modem update is in progress. Try again after the
update is complete.
0x80 = Connection refused
0x81 = Socket connection lost
0x82 = No server
0x83 = Socket closed
0x84 = Unknown server
0x85 = Unknown error
0x86 = Invalid TLS configuration (missing file, and so forth)
0x87 = Socket not connected
0x88 = Socket not bound
Refer to the tables below for a filtered list of status codes that are
appropriate for specific devices.
0xFF minus the 8-bit sum of bytes from offset 3 to this byte (between
length and checksum).
Frame descriptions
0x2D.
frames. See User Data Relay
133